*
{
    margin: 0;
    padding: 0;
    outline: none;
    border: none;
}

html, body
{
    height: 100%;
}

body, div, a, p, ul, ol, li, table, td, th,
{
    font-family: Tahoma;
    font-weight: normal;
}

h1, h2, h3, h4, h5, h6
{
    font-family: Arial;
}

.clear
{
    clear: both;
}

.main_squire
{
    width: 500px;
    height: 500px;
    background-color: #0099cc;
    margin: 0 auto;
    position: relative;
}

.red_squire
{
    width: 70px;
    height: 70px;
    background-color: red;
}

.center_squire
{
    width: 100px;
    height: 100px;
    background-color: #00cc00;
    position: absolute;
    left: 40%;
    top: 40%;
}

.first
{
    position: absolute;
    left: 0;
    top: 0;
}

.second
{
    position: absolute;
    right: 0;
    top: 0;
}

.third
{
    position: absolute;
    bottom: 0;
    right: 0;
}

.fourth
{
    position: absolute;
    bottom: 0;
    left: 0;
}